fix codestyle

doc/DOCKER_IMAGES.md

@@ -25,7 +25,6 @@ You can get images in two ways:
 
 
 
-
 ## Image description
 
 Runtime images cannot be used for compilation.
@@ -50,4 +49,3 @@ Running a CUDA container requires a machine with at least one CUDA-capable GPU a
 The machine running the CUDA container **only requires the NVIDIA driver**, the CUDA toolkit doesn't have to be installed.
 
 For the relationship between CUDA toolkit version, Driver version and GPU architecture, please refer to [nvidia-docker wiki](https://github.com/NVIDIA/nvidia-docker/wiki/CUDA).
-

doc/DOCKER_IMAGES_CN.md

@@ -22,7 +22,6 @@
    ```shell
    docker build -t <image-name>:<images-tag> .
    ```
-
    
 
 
@@ -49,4 +48,4 @@
 
 运行CUDA容器的机器**只需要相应的NVIDIA驱动程序**，而CUDA工具包不是必要的。
 
-相关CUDA工具包版本、驱动版本和GPU架构的关系请参阅 [nvidia-docker wiki](https://github.com/NVIDIA/nvidia-docker/wiki/CUDA)。
\ No newline at end of file
+相关CUDA工具包版本、驱动版本和GPU架构的关系请参阅 [nvidia-docker wiki](https://github.com/NVIDIA/nvidia-docker/wiki/CUDA)。